ˈyəŋztə(r), -ŋ(k)st- noun
( -s )
1.
a. : a usually vigorous or lively young person : youth
communities which do not have adequate facilities for the youngster in trouble — J.B.Costello
tells us … of the adolescence of this youngster — H.G.Wells
a bumper crop of teen-age youngsters fast ripening into … soldiers — U.S. News & World Report
b. : child
the mother with her youngsters tumbling about her feet
c. : a person in the relatively early years of manhood or of a career
it is among the youngsters, aged from 20 to 40, that the flame of confidence burns brightest — Drew Middleton
only a handful … left, most of them youngsters in their twenties and thirties — Saturday Review
d. : an older or aged person retaining the vitality or vigor of youth
a sprightly youngster of eighty, he's still going strong doing six shows a day — Irish Digest
2.
a. : a midshipman who has served less than four years — compare oldster 1
b. : a sophomore at a military academy (as the United States Naval Academy)
3.
a. : a young mammal, bird, or plant especially of a domesticated or cultivated breed or type
owners can try out their youngsters for the first time on a racecourse — Dennis Craig
one youngster … old enough to fly — T.M.Downs
no trees except for a few hardy youngsters — Nathaniel Burt
b. youngsters plural , dialect : the young leaves of the common wintergreen ( Gaultheria procumbens )
4. : something newly formed, instituted, or established
ballet … was just about a hundred years old, practically a youngster as art forms go — Anatole Chujoy
joined hands with another promising youngster , a journalistic fraternity — Quill